GNU bug report logs - #15294
24.3.50; js2-mode parser is several times slower in lexical-binding mode

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Package: emacs;

Reported by: Dmitry Gutov <dgutov <at> yandex.ru>

Date: Fri, 6 Sep 2013 21:01:02 UTC

Severity: normal

Found in version 24.3.50

Done: Stefan Monnier <monnier <at> iro.umontreal.ca>

Bug is archived. No further changes may be made.

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From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: 15294 <at> debbugs.gnu.org
Subject: bug#15294: 24.3.50; js2-mode parser is several times slower in lexical-binding mode
Date: Sun, 08 Sep 2013 18:32:02 -0400

A first likely candidate is the bunch of `catch/throw' in js2-get-token,
since catch, unwind-protect and condition-case are all implemented in
the bytecode interpreter in ways which don't work well for
lexical scoping.


        Stefan "Just reporting on his little progress"
This bug report was last modified 10 years and 240 days ago.

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